happy martin luther king jr. day everyone and happy inauguration as president obama officially begins his second term. you might be off today, but we are open for business. let's make you some money. did you invest after inauguration day four years ago? well, you'd be in great shape if you did. check out the dow. since president obama took office, up nearly 65% in that time frame. and if you think that is good, the s&p up nearly 75% in the same time period. and one of the best performing sectors under the president has been technology. second only to consumer discretionaries. the tech sector up more than 100% over the past four years. and 13 days of trading into 2013, the tech sector continuing its gains of just under 2% and this week is a big week for tech earnings, everyone. coming up, we will break down the most important things you need to know about the big reports. and are you better off than you were four years ago? well, at least your 401(k) might be. how do you make sure that your portfolio has returns?